function afterLoad4Clazz(datas,gridData){
	gridData.userdata = {"lesder":demo.Clazz.FeeTotal,"fee":0};
	for(var i=0;i<datas.length;i++){
		if(datas[i].fee && datas[i].fee>0){
			gridData.userdata.fee += parseFloat(datas[i].fee);
		}
	}
}